Guitar Tuna - https://yousician.com/guitartuna
TUNER NINJA! "Allow" the website to use your microphone.
Free Guitar Tabs - Ultimate-Guitar.com
Differentiate between strings and frets with hand & eye coordination.
Read tablature notation to learn a song.
Produce chord shapes with the left hand.
A, Am, A7, B7, C, D, Dm, D7, E, Em, E7, G, G7.
Use right hand techniques including strum, alternating bass, and PIMA fingerpicking.
Explore a History of Rock ‘n Roll curriculum adapted for middle school.
(I also color code strings, which is not standard BUT is helpful)